New brunswick is located in Middlesex county New jersey with a geographic area of 5.2 square miles. The total population in New brunswick is 55,992 with 50.5% male and 49.5% female. Children under age 5 represent 5.3% of the population, under age 18 equal 21.9% of the population and over age 65 is 6.3% of the population. The median household income is $43,930, per capita income is $18,797. There are a total of 15,546 housing units with 19.5% owner occupied. Education includes 21.5% of residents that are high school graduates and 25.9% with a bachelor's degree or higher. The average temperature in New brunswick in the summer is 73 degrees, and in the winter 32 degrees.